idx := strings.Index(str, "=")
	var k string
	var v string
	if idx >= 0 {
		k = str[:idx]
		v = str[idx+1:]
	} else {
		k = str
	}
	return k, v
}

// validateFlagIsSetManuallyOrNot can validate that a persistent flag is set manually or not by user for given command
func validateFlagIsSetManuallyOrNot(istioCmd *cobra.Command, flagName string) bool {
	if istioCmd != nil {

		"app":   "istio-ingressgateway",
		"istio": "ingressgateway",
	}
	egress15Selector := map[string]string{
		"app":   "istio-egressgateway",
		"istio": "egressgateway",
	}

	// Validate references within the same deployment
	validateReferentialIntegrity(t, objs, "istiod", istiod15Selector)
	validateReferentialIntegrity(t, objs, "istio-ingressgateway", ingress15Selector)